const db = wx.cloud.database()
const musiclist = db.collection('musiclist')
const audionCtx = wx.createInnerAudioContext()
Page({
  data:{
    tab:2,
    item:2
  },
  onLoad(){
    musiclist.get().then(res=>{
      console.log(res)
      this.setData({
        musiclist:res.data,
        play:res.data[0]
      })
    })
  }
})